Exercise logic.propositional.cnf.unicode
Description
Proposition to CNF (unicode support)
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
¬((r ↔ (((r ∧ T) ∨ r) ∧ ((r ∧ T) ∨ r))) ∧ T ∧ r)
⇒ logic.propositional.absorpor¬((r ↔ (r ∧ ((r ∧ T) ∨ r))) ∧ T ∧ r)
⇒ logic.propositional.absorpand¬((r ↔ r) ∧ T ∧ r)